.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.chart-legend {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}